High voltage direct current cable with impregnated tape insulation
    6.
    发明授权
    High voltage direct current cable with impregnated tape insulation 失效
    高压直流电缆带浸渍胶带绝缘

    公开(公告)号:US4417093A

    公开(公告)日:1983-11-22

    申请号:US327353

    申请日:1981-12-04

    摘要: A direct current, electric, submarine cable which may be used in long lengths and at great depths and which has improved voltage breakdown characteristics with respect to voids which form in the insulation. The cable has a conductor surrounded by an inner semi-conductive screen which is surrounded by cellulose paper tape insulation which is surrounded by an outer semi-conductive screen which is surrounded by a metal sheath. The paper tape is impregnated with a compound comprising a viscous hydrocarbon oil containing a substance having polar groups, the amount of the substance being sufficient to make the volume resistivity of the compound 100 times lower than the volume resistivity of the tape with the compound therein.

    摘要翻译: 直流电动海底电缆,其长度可长,深度大​​,并且相对于在绝缘体中形成的空隙具有改善的电压击穿特性。 电缆具有被内部半导电屏幕包围的导体,该内部半导体屏幕被由纤维素纸带绝缘体包围,该绝缘体由被金属护套包围的外部半导电屏幕包围。 纸带被含有含有具有极性基团的物质的粘性烃油的化合物浸渍,该物质的量足以使化合物的体积电阻率低于其中化合物的带的体积电阻率的100倍。

    Electric power transmission line
    7.
    发明授权
    Electric power transmission line 失效
    输电线路

    公开(公告)号:US3958074A

    公开(公告)日:1976-05-18

    申请号:US591207

    申请日:1975-06-27

    摘要: A high voltage electric power transmission line having an electrical power carrying capacity of 50 megawatts or more. An electrical power conductor is contained within a substantially rigid dielectric casing formed of a plurality of elongated tubular glass casing sections hermetically bonded together linearly end to end forming a continuous elongated casing around the conductor. The casing is loosely contained in an outer duct which permits lateral movement of the casing in the duct but places a maximum limit on such movement.

    摘要翻译: 具有50兆瓦以上的电力承载能力的高压输电线路。 电力导体被容纳在基本上刚性的电介质外壳内,所述电介质壳体由多个细长的管状玻璃外壳部分形成,所述多个细长管状玻璃外壳部分线性地端部至端部结合在一起,形成围绕导体的连 壳体松动地容纳在外部管道中,其允许壳体在管道中的横向移动,但对这种运动设置最大限制。

    High voltage system, particularly cable
    8.
    发明授权
    High voltage system, particularly cable 失效
    高压系统,特殊电缆

    公开(公告)号:US3777045A

    公开(公告)日:1973-12-04

    申请号:US3777045D

    申请日:1972-05-30

    发明人: ARTBAUER J

    IPC分类号: H01B9/02 H01B9/06 H01B9/04

    CPC分类号: H01B9/06 H01B9/02

    摘要: High voltage cable with a particular first, inner conductor of circular outer cross section and contour, and a second tubular conductor coaxially arranged to the first conductor, having inwardly projecting corrugation crests of convex contour, projecting inwardly towards the inner conductor. The radius of curvature of the convexity is selected so that the electric field strength immediately adjacent the corrugation crests of the second conductor is about similar to or somewhat smaller than the field strength immediately adjacent the first conductor.

    摘要翻译: 具有特定的第一内部导体,具有圆形外部横截面和轮廓的高压电缆,以及同轴地布置到第一导体的第二管状导体,具有向内突出的凸形轮廓的波纹顶部,朝向内部导体向内突出。 选择凸度的曲率半径,使得紧邻第二导体的波纹峰的电场强度大致类似于或略小于紧邻第一导体的场强。